Defense tech funding hit $14.6 billion in just the first five months of 2026, according to Crunchbase data -- already blowing past the previous full-year record of $9.6 billion set in all of 2025, with more than half the year still to go. The pace reflects a structural shift in how venture capital views the category: what would have been considered uninvestable dual-use or defense-first business models a decade ago are now attracting some of the largest checks in the entire venture market.
The mega-rounds tell the story. Anduril Industries raised a $5 billion Series H in May led by Thrive Capital and Andreessen Horowitz, valuing the autonomous-systems maker at $61 billion. Shield AI, the autonomous-aviation startup, closed a $2 billion Series G in March led by Advent International and JPMorgan Chase. Saronic, which builds unmanned surface vessels for naval and defense applications, secured a $1.75 billion Series D led by Kleiner Perkins. Three separate billion-dollar-plus rounds, three different hardware categories -- ground, air and sea -- all within a few months of each other.
“Anduril Industries raised a $5 billion Series H in May led by Thrive Capital and Andreessen Horowitz, valuing the autonomous-systems maker at $61 billion.”
The growth isn't confined to the largest names. Mach Industries, founded by Ethan Thornton when he was a 19-year-old MIT dropout, closed a $300 million Series C in June co-led by Infinite Capital and Ribbit Capital at a $1.8 billion valuation -- a 4x jump in just a year, as the company scaled to 350 employees running five simultaneous autonomous-weapons programs. And even at the earliest stage, genuinely novel defense niches are commanding real seed capital: Traysar emerged from stealth with a $25 million round to build autonomous platforms for underground "subterra" warfare, positioning itself in a category with essentially no direct venture-backed competitors.
For founders in adjacent hard-tech categories, the defense-tech funding pace is proof that sufficiently novel, technically difficult physical categories can still command real capital even as generalist software funding gets harder to raise outside of AI. For LPs, the sector's returns profile is still largely unproven at this scale -- most of this capital hasn't yet been tested through a full defense-procurement cycle or a realized exit.
The bear case: defense-tech valuations are increasingly detached from near-term government contract revenue, and a slowdown in defense budget growth or a shift in procurement priorities could leave several of these richly-valued companies overextended relative to actual bookings. What to watch next: whether any of this year's mega-funded defense names announce a public listing or major exit, which would be the first real test of whether public markets value defense tech the way private investors currently do.